121310103321011 has 16 divisors (see below), whose sum is σ = 132419207356128. Its totient is φ = 110214490828800.

The previous prime is 121310103320977. The next prime is 121310103321013. The reversal of 121310103321011 is 110123301013121.

It is a cyclic number.

It is not a de Polignac number, because 121310103321011 - 2³⁴ = 121292923451827 is a prime.

It is a super-2 number, since 2×121310103321011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121310103321013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433666751 + ... + 433946391.

It is an arithmetic number, because the mean of its divisors is an integer number (8276200459758).

Almost surely, 2^{121310103321011} is an apocalyptic number.

121310103321011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121310103321011 is a deficient number, since it is larger than the sum of its proper divisors (11109104035117).

121310103321011 is a wasteful number, since it uses less digits than its factorization.

121310103321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303622.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 121310103321011 its reverse (110123301013121), we get a palindrome (231433404334132).

The spelling of 121310103321011 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred three million, three hundred twenty-one thousand, eleven".